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參數資料
| 型號： | TMDS341A_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-TO-1 DVI/HDMI SWITCH |
| 中文描述： | 3比1個DVI / HDMI開關 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 1308K |
| 代理商： | TMDS341A_07 |
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www.ti.com
FEATURES
Compatible with HDMI 1.3a
Supports 2.25 Gbps Signaling Rate for 480i/p,
720i/p, and 1080i/p Resolutions up to 12-Bit
Color Depth
Each Port Supports HDMI or DVI Inputs
Isolated Digital Display Control (DDC) Bus for
Unused Ports
5-V Tolerance to all DDC and HPD_SINK
Inputs
Integrated Receiver Termination
Inter-Pair Output Skew < 100 ps
Intra-Pair Skew < 50 ps
8-dB Receiver Equalization to Compensate for
5-m DVI Cable Losses
High Impedance Outputs When Disabled
TMDS Inputs HBM ESD Protection
APPLICATIONS
Switching From Three Digital-Video (DVI) or
Digital-Audio Visual (HDMI) Sources
Digital TV
Digital Projector
Audio Video Receiver
DESCRIPTION
The TMDS341A is a 3-port digital video interface (DVI) or high-definition multimedia interface (HDMI) switch that
allows up to 3 DVI or HDMI ports to be switched to a single display terminal. Four TMDS channels, one hot plug
detector, and an I
2
C interface are supported on each port. Each TMDS channel allows signaling rates up to 2.25
Gbps.
PC
or
DVD Player
STB
Digital TV
Game
Machine
TMDS
341A
TMDS341A
SLLS702B–MAY 2006–REVISED MARCH 2007
3-TO-1 DVI/HDMI SWITCH
Exceeds 5 kV
3.3-V Supply Operation
80-Pin TQFP Package
ROHS Compatible and 260
°
C Reflow Rated
The active source is selected by configuring source selectors, S1, S2, and S3. The selected TMDS inputs from
each port are switched through a 3-to-1 multiplexer. The I
2
C interface of the selected input port is linked to the
I
2
C interface of the output port, and the hot plug detector (HPD) of the selected input port is output to
HPD_SINK. For the unused ports, the I
2
C interfaces are isolated, and the HPD pins are kept low.
Termination resistors (50-
), pulled up to V
CC
, are integrated at each receiver input pin. External terminations
are not required. A precision resistor is connected externally from the VSADJ pin to ground for setting the
differential output voltage to be compliant with the TMDS standard. When the output is connected to a standard
TMDS termination and OE is high, the output is high impedance.
The TMDS341A provides fixed 8-dB input equalization and selectable 3-dB output de-emphasis to optimize
system performance through 5-meter or longer DVI compliant cables. The device is characterized for operation
from 0
°
C to 70
°
C.
Typical Application
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006–2007, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TMDS341APFC | 功能描述:視頻開關 IC 3-TO-1 DVI/HDMI Sw RoHS:否 制造商:Texas Instruments 開關數量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| TMDS341APFCG4 | 功能描述:多路器開關 IC 3-TO-1 DVI/HDMI Sw RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| TMDS341APFCR | 功能描述:多路器開關 IC 3-TO-1 DVI/HDMI Sw RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| TMDS341APFCRG4 | 功能描述:視頻開關 IC 3-TO-1 DVI/HDMI Sw RoHS:否 制造商:Texas Instruments 開關數量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| TMDS341PFC | 功能描述:多路器開關 IC 3-TO1 DVI/HDMI SWITCH RoHS:否 制造商:Texas Instruments 通道數量:1 開關數量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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